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2026 Mondraker

PRIME RX

A 29″ aluminum frame commuter e-bike with modest components and sram hydraulic disc brakes.
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Weight60.6 lbs  
FrameAluminum
SuspensionHardtail, 120mm
Wheels29″ Aluminum
Drivetrain1 × 12
GroupsetSRAM, e*thirteen
MotorBosch 600W 85Nm mid-drive
BatteryBosch 800Wh
BrakesSRAM Hydraulic Disc
SeatpostDropper
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Insights
Sizing
SM

5'3" – 5'9"

MD

5'6" – 5'11"

MD/LG

5'8" – 6'2"

LG

5'10" – 6'4"

XL

6'2" – 6'7"

🐐 Estimated

Rider Fit Notes

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Reviews
Bikerumor
Mondraker Updates the Hardtail eMTB Prime Platform for Urban and Trail Alike

Mar 2026 · Travis Reill

Mondraker updates the Prime e-bike platform with two Prime builds for trail riding and the Prime X for urban adventures

Read Review

Geometry
Specs
Build
Frame

Prime Xtralite 6061 Full Butted Alloy, Forward Geometry, intenal removable battery, tapered head tube, Boost 12x148mm rear axle, UDH,

Hanger StandardUDH

Fork

Fox 29 AWL Sport, 120mm, tapered steerer tube, Boost 15x110mm Kabolt axle, 44mm offset. Settings: Rail Damper with rebound adjust

Travel120mm

Spring TypeAir

Headset

Acros custom ZS56/ZS56, 1-1/8", 1.5" head tube, Internal cable routing, sealing plugs without blocklock

Stem

Onoff S3 30mm 0º, 6061 forged alloy, 31.8mm barbore

Handlebar

Onoff S3 1.0 6061 alloy, rise: 25mm, width: 800mm, 8º backsweep, 5º upsweep, 31.8mm barbore. L and XL size: 38mm rise.

Saddle

Ergon SF10 Gel

Seatpost

X-Fusion Manic diameter 31.6mm,1X Remote lever, S size: 361x125mm, M size: 425x150mm, ML size: 469x170mm, L size: 521x190mm, XL size: 531x200

TypeDropper

Grips

Onoff Beehive, 1lock-on, 135mm

Groupset
Rear Derailleur

SRAM 70 Eagle, T-Type, 12s

Crank

E.13 Helix Core E*Spec Plus, All sizes: 160mm, Rings: SRAM Eagle 34T T-Type, direct mount, steel, CL55

Shifters

SRAM Trigger 70, 12s, T-Type Actuation

Chain

SRAM 70 T-Type, 12s Flattop, PowerLock

Brakes

Front: SRAM DB6, 4-piston caliper, Centerline 200mm IS 6 bolts one-piece rotor, steel-backed organic pads, Rear: SRAM DB6, 4-piston caliper, Centerline 200mm IS 6 bolts one-piece rotor, steel-backed organic pads

TypeSRAM Hydraulic Disc

Brake Levers

SRAM DB6, tool reach adjust, lever pivot bushings

Wheels
Rims

Mavic E-Access XR27, 29 Boost 27mm internal width, tubeless ready, 28 spokes

Spokes

Mavic 28 Reinforced spokes lacing

Front Hub

Mavic, Boost 15x110mm, IS 6 bolts

Rear Hub

Mavic, Boost 12x148mm, IS 6 bolts HG Reinforced freehub

Tires

Front: Maxxis Metropass AT 29x2.6, single compound, 60TPI, MaxxProtect /EXO Reflective Stripe, Tubeless ready, wire bead,, Rear: Maxxis Metropass AT 29x2.6, single compound, 60TPI, MaxxProtect /EXO Reflective Stripe, Tubeless ready, wire bead,

Electric Components
Motor

Bosch Performance Line CX (25Km/h) SMART SYSTEM (BDU384Y)

Battery

Bosch Powertube 800Wh

Display

Purion 200

Rider Notes
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First added March 14

Last updated May 30